{"attribution":"MCP Queen — the evidence layer for MCP (https://mcpqueen.com)","license":"CC BY 4.0 — free to use with attribution and a link to mcpqueen.com","methodology":"https://mcpqueen.com/registry#methodology","docs":"https://mcpqueen.com/api","generated_at":"2026-07-17T07:13:40.384Z","server":{"name":"io.github.vinaybhosle/agentstamp","title":null,"description":"Identity certificates, public registry, and wishing well for AI agents — x402 micropayments on Base","version":"2.0.1","remote_url":"https://agentstamp.org/mcp","repo_url":"https://github.com/vinaybhosle/agentstamp"},"operational_grade":{"grade":"A","score":100,"provisional":0,"reachable":1,"auth_state":"open","latency_ms":441,"tool_count":19,"probed_at":"2026-07-14T23:00:34.735Z","evidence":[{"criterion":"reachability","points":25,"max":25,"evidence":"HTTP 200, initialize accepted in 441ms"},{"criterion":"protocol","points":15,"max":15,"evidence":"valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo AgentStamp@2.3.0"},{"criterion":"tooling","points":35,"max":35,"evidence":"tools/list OK: 19 tools e.g. \"search_agents\"; 19/19 described, 19/19 fully-typed schemas, median description 118 chars"},{"criterion":"latency","points":10,"max":10,"evidence":"initialize round-trip 441ms"},{"criterion":"provenance","points":15,"max":15,"evidence":"description present; repository linked; version 2.0.1; namespace io.github.vinaybhosle matches endpoint/repo"}],"protocol_access":"open"},"field_semantics":{"auth_state":"Deprecated name retained for compatibility. It means protocol handshake/discovery access only, not tool-level data entitlement.","protocol_access":"Preferred name for auth_state."},"audit_state":"unaudited","observations":[],"response_benchmarks":[],"reviewed_field_reports":[],"interpretation":"Dimensions are independent; missing evidence is not a pass; field reports are qualitative, moderated and never votes."}